20904435

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4111}}^1$

素因数の和:4235

約数の個数: 24

約数和(自身を含む): 36563904

約数和(自身を除く): 15659469

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 4111, 5085, 12333, 20555, 36999, 61665, 184995, 464543, 1393629, 2322715, 4180887, 6968145, 20904435]

約数ペア:

[(1, 20904435), (3, 6968145), (5, 4180887), (9, 2322715), (15, 1393629), (45, 464543), (113, 184995), (339, 61665), (565, 36999), (1017, 20555), (1695, 12333), (4111, 5085)]